Question: What is the biggest attack by the group Bush said the 'war on terror' began with, on the country containing the Federal Detention Center, in the birthplace of George Pocheptsov?
Context: Document 1: Federal Detention Center, Philadelphia: The Federal Detention Center (FDC Philadelphia) is a United States Federal prison in Center City, Philadelphia, Pennsylvania which holds male and female inmates prior to or during court proceedings, as well as inmates serving brief sentences. It is operated by the Federal Bureau of Prisons, a division of the United States Department of Justice.
Document 2: September 11 attacks: Journalist Yosri Fouda of the Arabic television channel Al Jazeera reported that in April 2002 Khalid Sheikh Mohammed admitted his involvement in the attacks, along with Ramzi bin al-Shibh. The 9/11 Commission Report determined that the animosity towards the United States felt by Mohammed, the principal architect of the 9/11 attacks, stemmed from his "violent disagreement with U.S. foreign policy favoring Israel". Mohammed was also an adviser and financier of the 1993 World Trade Center bombing and the uncle of Ramzi Yousef, the lead bomber in that attack.Mohammed was arrested on March 1, 2003, in Rawalpindi, Pakistan, by Pakistani security officials working with the CIA. He was then held at multiple CIA secret prisons and Guantanamo Bay where he was interrogated and tortured with methods including waterboarding. During U.S. hearings at Guantanamo Bay in March 2007, Mohammed again confessed his responsibility for the attacks, stating he "was responsible for the 9/11 operation from A to Z" and that his statement was not made under duress.
Document 3: George Pocheptsov: George Pocheptsov, who is sometimes also referred to as "Georgie", was born in Philadelphia, Pennsylvania, in 1992 to Ukrainian parents. When Pocheptsov was eleven months old, his father was diagnosed with brain cancer; and he died in 1995, at the age of forty. Though he was a toddler, his mother gave him a pencil and some paper to keep him busy. At seventeen months old, he drew a replica of an antique car parked across the street. At a young age, Pocheptsov was drawing jesters, pregnant women, and four-headed giraffes, all in bright color schemes. He started to paint six months before he started to talk.
Document 4: War on Terror: On 16 September 2001, at Camp David, President George W. Bush used the phrase war on terrorism in an unscripted and controversial comment when he said, "This crusade – this war on terrorism – is going to take a while, ... " Bush later apologized for this remark due to the negative connotations the term crusade has to people, e.g. of Muslim faith. The word crusade was not used again. On 20 September 2001, during a televised address to a joint session of congress, Bush stated that, "(o)ur 'war on terror' begins with al-Qaeda, but it does not end there. It will not end until every terrorist group of global reach has been found, stopped, and defeated."
Answer: the 9/11 attacks
Reasoning steps: What is the place of birth of George Pocheptsov? Answer: Philadelphia
Federal Detention Center, Philadelphia >> country Answer: the United States
Where did Bush say the 'war on terror' begins? Answer: with al-Qaeda
what is the biggest terrorist attacks by the Islamic terrorist group with al-Qaeda against #2 Answer: the 9/11 attacks